<template>
    <div>
        <!-- 面包屑导航区 -->
        <el-breadcrumb separator-class="el-icon-arrow-right">
            <el-breadcrumb-item :to="{ path: '/home' }">首页</el-breadcrumb-item>
            <el-breadcrumb-item>商品管理</el-breadcrumb-item>
            <el-breadcrumb-item>商品列表</el-breadcrumb-item>
        </el-breadcrumb>
        <!-- 卡片视图区 -->
        <el-card>
            <el-row :gutter="20">
                <el-col :span="8">
                    <el-input placeholder="请输入内容"
                    v-model="queryinfo.query" clearable
                    @clear="getGoodsList">
                        <el-button slot="append" icon="el-icon-search"
                        @click="getGoodsList">搜索</el-button>
                    </el-input>
                </el-col>
                <el-col :span="4">
                    <el-button type="primary"
                    @click="goAddPage">添加商品</el-button>
                </el-col>
            </el-row>
            <!-- table 表格区域 -->
            <el-table :data="goodslist" border stripe>
                <el-table-column type="index"></el-table-column>
                <el-table-column label="商品名称"
                prop="goods_name"></el-table-column>
                <el-table-column label="商品价格(元)"
                prop="goods_price" width="90px"></el-table-column>
                <el-table-column label="商品重量"
                prop="goods_weight" width="70px"></el-table-column>
                <el-table-column label="创建时间"
                prop="add_time" width="140px">
                    <template slot-scope="scope">
                        {{scope.row.add_time | dateFormat}}
                    </template>
                </el-table-column>
                <el-table-column label="操作" width="130px">
                    <el-button size="mini" type="primary"
                    icon="el-icon-edit"></el-button>
                    <el-button size="mini" type="danger"
                    icon="el-icon-delete"
                    @click="removeById(cope.row.goods_id)"></el-button>
                </el-table-column>
            </el-table>
            <!-- 分页区域 -->
            <el-pagination
              @size-change="handleSizeChange"
              @current-change="handleCurrentChange"
              :current-page="queryinfo.pagenum"
              :page-sizes="[5, 10, 15, 20]"
              :page-size="queryinfo.pagesize"
              layout="total, sizes, prev, pager, next, jumper"
              :total="total" background>
            </el-pagination>
        </el-card>
    </div>
</template>

<script>
export default {
  data () {
    return {
      // 查询参数对象
      queryinfo: {
        query: '',
        pagenum: 1,
        pagesize: 10
      },
      // 商品列表
      goodslist: [],
      // 总数据条数
      total: 0
    }
  },
  created () {
    this.getGoodsList()
  },
  methods: {
    async getGoodsList () {
      const { data: res } = await this.$http.get('goods',
        { params: this.queryinfo })
      if (res.meta.status !== 200) {
        return this.$message.error('获取商品列表失败！')
      }
      // this.$message.success('获取商品列表成功！')
      // console.log(res.data)
      this.goodslist = res.data.goods
      this.total = res.data.total
    },
    handleSizeChange (newSize) {
      this.queryinfo.pagesize = newSize
      this.getGoodsList()
    },
    handleCurrentChange (newPage) {
      this.queryinfo.pagenum = newPage
      this.getGoodsList()
    },
    async removeById (id) {
      const confirmResult = await this.$confirm('此操作将永久删除该商品, 是否继续?', '提示', {
        confirmButtonText: '确定',
        cancelButtonText: '取消',
        type: 'warning'
      }).catch(err => err)
      if (confirmResult !== 'confirm') {
        return this.$message.info('已取消删除！')
      }
      const { data: res } = await this.$http.delete(`goods/${id}`)
      if (res.meta.status !== 200) {
        return this.$message.error('删除失败！')
      }
      this.$message.success('删除成功！')
      this.getGoodsList()
    },
    goAddPage () {
      this.$router.push('/goods/add')
    }
  }
}
</script>

<style lang="less" scoped></style>
